var setTreeDefaultRootNode = function () {
	var node = new Ext.tree.TreeNode({
		text: 'JSON',
		value: '|||JSON|ROOT|NODE|||',
		draggable:false,
		leaf: false,
		id:'json_tree_root_node',
		iconCls: "ico_object",
		type: "object",
		expanded: true
	});

	JSONxEdit_jsonTree.setRootNode(node);

	return JSONxEdit_jsonTree.getRootNode();
};